Marcin Kierwiński

Marcin Piotr Kierwiński (Polish pronunciation: [ˈmart͡ɕin kʲɛrˈvij̃skʲi]; born 22 August 1976) is a Polish politician, local government official, who is currently serving as the Minister of Internal Affairs and Administration since 2025 for the second time. having previously held that office from December 2023 to May 2024.

Marcin Kierwiński
Kierwiński in 2024
Minister of Internal Affairs and Administration
Incumbent
Assumed office 24 July 2025
Prime Minister	Donald Tusk
Preceded by	Tomasz Siemoniak
In office 13 December 2023 – 13 May 2024
Prime Minister	Donald Tusk
Preceded by	Paweł Szefernaker
Succeeded by	Tomasz Siemoniak
Member of the European Parliament for Warsaw
In office 16 July 2024 – 26 September 2024
Succeeded by	Hanna Gronkiewicz-Waltz
Head of the Political Cabinet of the Prime Minister
In office 3 February 2015 – 16 November 2015
Preceded by	Jolanta Gruszka
Succeeded by	Elżbieta Witek
Member of the Sejm
In office 8 November 2011 – 10 June 2024
Personal details
Born	(1976-08-22) 22 August 1976 (age 48) Warsaw, Poland
Political party	Civic Platform (2001–present)
Alma mater	Warsaw University of Technology

He also served as the Deputy Marshal of the 3rd and 4th term of Masovia from 2010 to 2011, Member of Sejm of the 7th, 8th, 9th and 10th term, secretary of state in the Prime Minister's Chancellery and head of the political cabinet of Prime Minister Ewa Kopacz in 2015 and general secretary of the Civic Platform from 2020.

He was elected as a Member of the European Parliament in May 2024.^[1] He subsequently resigned to re-enter the Council of Ministers in September to coordinate activities related to the reconstruction of flood-affected areas after the 2024 European floods.^[2]